High-Quality Tapered Roller Bearings BDL 31303/33205/33005 – Low Price, Motor & Electrical Use
Product Specifications
| Bore Size | 15–240 mm |
| Outer Dimension | 35–400 mm |
| Thickness (Specification) | 48.5 mm |
Introduction
High-precision taper roller bearings made of bearing steel, suitable for radial loads. Available in precision grades P0–P2 and vibration classes Z1V1–Z3V3. Designed for OEM/ODM applications with grease or oil lubrication. Origin: China.Why Choose These High-Performance Tapered Roller Bearings?
| Description | Key Selling Point |
|---|---|
| Model Range | 31303, 33205, 33005, 33108, 32904 — Wide selection for motor & power transmission |
| Bore & Outer Diameter | 15–240 mm bore / 35–400 mm OD — Fits diverse OEM mechanical layouts |
| Material & Hardness | GCR15 bearing steel, heat-treated to HRC 60–64 — Superior fatigue resistance |
| Precision Grade | P0 to P2 (ISO) — Meets SKF-level accuracy for high-speed stability |
| Vibration Class | Z1V1 to Z3V3 — Ultra-low noise ideal for electric motors & precision equipment |
| Lubrication Flexibility | Grease or oil compatible — Enables long service life in varied operating conditions |
| Load Capacity | Combined radial + axial load support — Optimized tapered geometry for heavy-duty applications |
| OEM/ODM Support | Full customization: branding, packaging, specs — Seamless integration with your supply chain |
| Quality Assurance | 100% inspection, ISO 9001 certified, HS Code 8482200000 — Traceable & compliant |
| Competitive Edge | BDL-branded Chinese manufacturing — 30% cost advantage vs. SKF, same dimensional & performance specs |
Engineered for reliability in industrial motors, power tools, gearboxes, and electricity distribution systems — these bearings deliver SKF-equivalent performance at entry-premium pricing. Each batch undergoes strict vibration, clearance, and hardness testing. Unlike generic imports, BDL units feature consistent raceway finish, precise cone-cup fit, and low-torque rotation — proven in 10,000+ hours of field operation.
Frequently Asked Questions:
• Are these interchangeable with SKF 31303/33205? Yes — identical dimensions and tolerances.
• What’s the max speed rating? Up to 6,500 rpm (varies by model & lubrication).
• Do you offer samples? Yes — free technical samples for qualified buyers.
• Is corrosion resistance available? Optional chrome-plated or stainless variants on request.
Ready to upgrade your bearing sourcing? Send your inquiry now — get full spec sheets, MOQ details, and lead time within 2 hours.
- Product Name
- High-Quality Tapered Roller Bearings BDL 31303/33205/33005 – Low Price, Motor & Electrical Use
- Category
- Cylindrical Roller Bearing
- Brand
- SKF
- Certification
- ISO 9001 · TS 16949
- Lead Time
- 7 Working Days
Our engineers will respond within 12 hours with a tailored solution.
Request QuoteGeneral Specifications
| Bearing Type | Cylindrical Roller Bearing |
| Brand | SKF |
| Quality Standard | ISO 9001 / TS 16949 |
| Precision Grade | P0 / P5 / P6 (custom) |
| Material | Chrome Steel / Stainless |
| Cage Material | Steel / Brass / Polyamide |
| Lubrication | Grease / Oil (specify) |
| Operating Temp. | -40°C to +200°C |
| Min. Order Qty | 1 pc (samples available) |
| Prototype Lead Time | 7 Working Days |
Performance Parameters
| Load Capacity | Contact for C0/Cr values |
| Speed Rating | Contact for ndm limit |
| Vibration Level | Z1 / Z2 / Z3 (custom) |
| Noise Level | V1 / V2 / V3 (custom) |
| Fatigue Life | L10h per ISO 281 |
| Sealing Options | Open / Z / 2Z / RS / 2RS |
Our engineering team can modify bearing dimensions, materials, seals, and clearances to meet your specific operating requirements. Submit your drawing or spec sheet for a tailored proposal.
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Main shaft bearings, gearbox bearings, and generator bearings for onshore and offshore wind turbines.
Mining & Quarrying
Heavy-duty bearings for crushers, conveyors, and rotary equipment in extreme dust and shock-load environments.
Steel & Metallurgy
High-temperature bearings for rolling mills, continuous casting, and furnace applications.
Automotive / EV
Wheel hub bearings, transmission bearings, and e-motor bearings for passenger and commercial vehicles.
Rail Transit
Axle box bearings, traction motor bearings, and gearbox bearings meeting EN/UIC railway standards.
Precision Machinery
High-precision spindle bearings, angular contact bearings, and super-precision bearings for CNC and robotics.
Application Design
EngineeringOur engineers analyze your operating conditions -- load, speed, temperature, environment -- and select or design the optimal bearing solution to maximize service life and reduce total cost of ownership.
Custom Modification
7-Day TurnaroundNeed non-standard dimensions, special materials, or modified clearances? We can modify standard SKF bearings or manufacture fully custom solutions with a 7-day prototype turnaround.
Failure Analysis
DiagnosticsWhen bearings fail prematurely, our team conducts root-cause analysis using advanced diagnostic tools to identify the failure mode and recommend corrective action.
Predictive Maintenance
Up to 40% Less DowntimeWe deploy vibration monitoring, thermal imaging, and oil analysis programs that detect bearing deterioration early -- reducing unplanned downtime by up to 40%.
On-site Installation
Global CoverageProper installation is critical to bearing performance. Our certified technicians provide on-site installation support, alignment verification, and operator training worldwide.
Lifecycle Support
Enterprise SLAFrom initial selection through end-of-life, our dedicated account managers provide scheduled maintenance plans, re-lubrication programs, and replacement forecasting for enterprise clients.
The engineering partner advantage
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High-Quality Tapered Roller Bearings BDL 31303/33205/33005 – Low Price, Motor & Electrical Use
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